660nm Single Mode High-Power Long-Life Red Laser Diode | Ushio America, Inc.
Light Red Cross Positioner 660nm 100mw Laser Diode Module Focusable Beam Cross Laser Locator For Woodworking Carving Machine - AliExpress
StingRay, STR-660-100-A-B-L01-45-E-XX Laser
660nm Laser Diode Module | Free Space or Fiber Coupled Module
650nm 660nm Adjusted Red Laser Line Dot Cross Laser Diode Module 3V-5.5V 100mW Laser Dot/Line/Cross Module Focusable 13mmx42mm with US Power Adapter and Heatsink: Amazon.com: Industrial & Scientific